Home / 3,087.54-4,631.07-2,651.76

Finding the Fourth Proportional to 3,087.54, 4,631.07 and 2,651.76

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Solution

The fourth proportional to 3,087.54, 4,631.07 and 2,651.76 is: 3,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.54 : 4,631.07 = 2,651.76 : x
  2. Step 2: Convert to fraction form
    3,087.54/4,631.07 = 2,651.76/x
  3. Step 3: Cross multiply
    3,087.54x = 4,631.07 × 2,651.76
  4. Step 4: Simplify right side
    3,087.54x = 12,280,486.18
  5. Step 5: Solve for x
    x = 12,280,486.18/3,087.54
  6. Step 6: Final answer
    x = 3,977.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.